package 字符串;

import java.util.HashSet;

/**
 * @author mubei
 * @date 2021/12/14
 * @description
 */
public class Demo05 {

    public static void main(String[] args) {

    }

    public void isFlipedString(String s1, String s2) {
        HashSet<Integer> set = new HashSet<>();
        set.contains(s1);
    }
}
